X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b07aeb1a6e24825e534167a737043441e871de9f..5465192b9aeb1ccea778950ccf2d1b7b32f2cd91:/apt-pkg/pkgcache.cc?ds=sidebyside diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index 9fe382108..e8c95738e 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -50,31 +50,35 @@ using std::string; /* Simply initialize the header */ pkgCache::Header::Header() { - Signature = 0x98FE76DC; - +#define APT_HEADER_SET(X,Y) X = Y; static_assert(std::numeric_limits::max() > Y, "Size violation detected in pkgCache::Header") + APT_HEADER_SET(Signature, 0x98FE76DC); + /* Whenever the structures change the major version should be bumped, whenever the generator changes the minor version should be bumped. */ - MajorVersion = 10; - MinorVersion = 0; - Dirty = false; - - HeaderSz = sizeof(pkgCache::Header); - GroupSz = sizeof(pkgCache::Group); - PackageSz = sizeof(pkgCache::Package); - ReleaseFileSz = sizeof(pkgCache::ReleaseFile); - PackageFileSz = sizeof(pkgCache::PackageFile); - VersionSz = sizeof(pkgCache::Version); - DescriptionSz = sizeof(pkgCache::Description); - DependencySz = sizeof(pkgCache::Dependency); - ProvidesSz = sizeof(pkgCache::Provides); - VerFileSz = sizeof(pkgCache::VerFile); - DescFileSz = sizeof(pkgCache::DescFile); - + APT_HEADER_SET(MajorVersion, 10); + APT_HEADER_SET(MinorVersion, 0); + APT_HEADER_SET(Dirty, false); + + APT_HEADER_SET(HeaderSz, sizeof(pkgCache::Header)); + APT_HEADER_SET(GroupSz, sizeof(pkgCache::Group)); + APT_HEADER_SET(PackageSz, sizeof(pkgCache::Package)); + APT_HEADER_SET(ReleaseFileSz, sizeof(pkgCache::ReleaseFile)); + APT_HEADER_SET(PackageFileSz, sizeof(pkgCache::PackageFile)); + APT_HEADER_SET(VersionSz, sizeof(pkgCache::Version)); + APT_HEADER_SET(DescriptionSz, sizeof(pkgCache::Description)); + APT_HEADER_SET(DependencySz, sizeof(pkgCache::Dependency)); + APT_HEADER_SET(DependencyDataSz, sizeof(pkgCache::DependencyData)); + APT_HEADER_SET(ProvidesSz, sizeof(pkgCache::Provides)); + APT_HEADER_SET(VerFileSz, sizeof(pkgCache::VerFile)); + APT_HEADER_SET(DescFileSz, sizeof(pkgCache::DescFile)); +#undef APT_HEADER_SET + GroupCount = 0; PackageCount = 0; VersionCount = 0; DescriptionCount = 0; DependsCount = 0; + DependsDataCount = 0; ReleaseFileCount = 0; PackageFileCount = 0; VerFileCount = 0; @@ -82,12 +86,9 @@ pkgCache::Header::Header() ProvidesCount = 0; MaxVerFileSize = 0; MaxDescFileSize = 0; - + FileList = 0; RlsFileList = 0; -#if APT_PKG_ABI < 413 - APT_IGNORE_DEPRECATED(StringList = 0;) -#endif VerSysName = 0; Architecture = 0; SetArchitectures(0); @@ -110,6 +111,7 @@ bool pkgCache::Header::CheckSizes(Header &Against) const VersionSz == Against.VersionSz && DescriptionSz == Against.DescriptionSz && DependencySz == Against.DependencySz && + DependencyDataSz == Against.DependencyDataSz && VerFileSz == Against.VerFileSz && DescFileSz == Against.DescFileSz && ProvidesSz == Against.ProvidesSz) @@ -122,7 +124,7 @@ bool pkgCache::Header::CheckSizes(Header &Against) const // --------------------------------------------------------------------- /* */ APT_IGNORE_DEPRECATED_PUSH -pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map) +pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map), d(NULL) { // call getArchitectures() with cached=false to ensure that the // architectures cache is re-evaulated. this is needed in cases @@ -150,6 +152,7 @@ bool pkgCache::ReMap(bool const &Errorchecks) DescP = (Description *)Map.Data(); ProvideP = (Provides *)Map.Data(); DepP = (Dependency *)Map.Data(); + DepDataP = (DependencyData *)Map.Data(); StrP = (char *)Map.Data(); if (Errorchecks == false) @@ -408,10 +411,10 @@ pkgCache::PkgIterator pkgCache::GrpIterator::NextPkg(pkgCache::PkgIterator const return PkgIterator(*Owner, Owner->PkgP + LastPkg->NextPackage); } /*}}}*/ -// GrpIterator::operator ++ - Postfix incr /*{{{*/ +// GrpIterator::operator++ - Prefix incr /*{{{*/ // --------------------------------------------------------------------- /* This will advance to the next logical group in the hash table. */ -void pkgCache::GrpIterator::operator ++(int) +pkgCache::GrpIterator& pkgCache::GrpIterator::operator++() { // Follow the current links if (S != Owner->GrpP) @@ -420,15 +423,16 @@ void pkgCache::GrpIterator::operator ++(int) // Follow the hash table while (S == Owner->GrpP && (HashIndex+1) < (signed)Owner->HeaderP->GetHashTableSize()) { - HashIndex++; + ++HashIndex; S = Owner->GrpP + Owner->HeaderP->GrpHashTableP()[HashIndex]; } + return *this; } /*}}}*/ -// PkgIterator::operator ++ - Postfix incr /*{{{*/ +// PkgIterator::operator++ - Prefix incr /*{{{*/ // --------------------------------------------------------------------- /* This will advance to the next logical package in the hash table. */ -void pkgCache::PkgIterator::operator ++(int) +pkgCache::PkgIterator& pkgCache::PkgIterator::operator++() { // Follow the current links if (S != Owner->PkgP) @@ -437,9 +441,22 @@ void pkgCache::PkgIterator::operator ++(int) // Follow the hash table while (S == Owner->PkgP && (HashIndex+1) < (signed)Owner->HeaderP->GetHashTableSize()) { - HashIndex++; + ++HashIndex; S = Owner->PkgP + Owner->HeaderP->PkgHashTableP()[HashIndex]; } + return *this; +} + /*}}}*/ +pkgCache::DepIterator& pkgCache::DepIterator::operator++() /*{{{*/ +{ + if (S == Owner->DepP) + return *this; + S = Owner->DepP + (Type == DepVer ? S->NextDepends : S->NextRevDepends); + if (S == Owner->DepP) + S2 = Owner->DepDataP; + else + S2 = Owner->DepDataP + S->DependencyData; + return *this; } /*}}}*/ // PkgIterator::State - Check the State of the package /*{{{*/ @@ -541,8 +558,8 @@ std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const bool pkgCache::DepIterator::IsCritical() const { if (IsNegative() == true || - S->Type == pkgCache::Dep::Depends || - S->Type == pkgCache::Dep::PreDepends) + S2->Type == pkgCache::Dep::Depends || + S2->Type == pkgCache::Dep::PreDepends) return true; return false; } @@ -553,9 +570,9 @@ bool pkgCache::DepIterator::IsCritical() const are negative like Conflicts which can and should be handled differently */ bool pkgCache::DepIterator::IsNegative() const { - return S->Type == Dep::DpkgBreaks || - S->Type == Dep::Conflicts || - S->Type == Dep::Obsoletes; + return S2->Type == Dep::DpkgBreaks || + S2->Type == Dep::Conflicts || + S2->Type == Dep::Obsoletes; } /*}}}*/ // DepIterator::SmartTargetPkg - Resolve dep target pointers w/provides /*{{{*/ @@ -684,8 +701,8 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End) End = *this; for (bool LastOR = true; end() == false && LastOR == true;) { - LastOR = (S->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or; - (*this)++; + LastOR = (S2->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or; + ++(*this); if (LastOR == true) End = (*this); } @@ -695,31 +712,22 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End) // --------------------------------------------------------------------- /* Deps like self-conflicts should be ignored as well as implicit conflicts on virtual packages. */ -bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &/*Pkg*/) const +bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &PT) const { if (IsNegative() == false) return false; - pkgCache::PkgIterator PP = ParentPkg(); - pkgCache::PkgIterator PT = TargetPkg(); + pkgCache::PkgIterator const PP = ParentPkg(); if (PP->Group != PT->Group) return false; // self-conflict if (PP == PT) return true; - pkgCache::VerIterator PV = ParentVer(); + pkgCache::VerIterator const PV = ParentVer(); // ignore group-conflict on a M-A:same package - but not our implicit dependencies // so that we can have M-A:same packages conflicting with their own real name if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) - { - // Replaces: ${self}:other ( << ${binary:Version}) - if (S->Type == pkgCache::Dep::Replaces && S->CompareOp == pkgCache::Dep::Less && strcmp(PV.VerStr(), TargetVer()) == 0) - return false; - // Breaks: ${self}:other (!= ${binary:Version}) - if (S->Type == pkgCache::Dep::DpkgBreaks && S->CompareOp == pkgCache::Dep::NotEquals && strcmp(PV.VerStr(), TargetVer()) == 0) - return false; - return true; - } + return IsMultiArchImplicit() == false; return false; } @@ -734,35 +742,34 @@ bool pkgCache::DepIterator::IsIgnorable(PrvIterator const &Prv) const if (Prv.OwnerPkg()->Group == Pkg->Group) return true; // Implicit group-conflicts should not be applied on providers of other groups - if (Pkg->Group == TargetPkg()->Group && Prv.OwnerPkg()->Group != Pkg->Group) + if (IsMultiArchImplicit() && Prv.OwnerPkg()->Group != Pkg->Group) return true; return false; } /*}}}*/ -// DepIterator::IsMultiArchImplicit - added by the cache generation /*{{{*/ -// --------------------------------------------------------------------- -/* MultiArch can be translated to SingleArch for an resolver and we did so, - by adding dependencies to help the resolver understand the problem, but - sometimes it is needed to identify these to ignore them… */ -bool pkgCache::DepIterator::IsMultiArchImplicit() const -{ - if (ParentPkg()->Arch != TargetPkg()->Arch && - (S->Type == pkgCache::Dep::Replaces || - S->Type == pkgCache::Dep::DpkgBreaks || - S->Type == pkgCache::Dep::Conflicts)) - return true; - return false; -} - /*}}}*/ // DepIterator::IsSatisfied - check if a version satisfied the dependency /*{{{*/ bool pkgCache::DepIterator::IsSatisfied(VerIterator const &Ver) const { - return Owner->VS->CheckDep(Ver.VerStr(),S->CompareOp,TargetVer()); + return Owner->VS->CheckDep(Ver.VerStr(),S2->CompareOp,TargetVer()); } bool pkgCache::DepIterator::IsSatisfied(PrvIterator const &Prv) const { - return Owner->VS->CheckDep(Prv.ProvideVersion(),S->CompareOp,TargetVer()); + return Owner->VS->CheckDep(Prv.ProvideVersion(),S2->CompareOp,TargetVer()); +} + /*}}}*/ +// DepIterator::IsImplicit - added by the cache generation /*{{{*/ +bool pkgCache::DepIterator::IsImplicit() const +{ + if (IsMultiArchImplicit() == true) + return true; + if (IsNegative() || S2->Type == pkgCache::Dep::Replaces) + { + if ((S2->CompareOp & pkgCache::Dep::ArchSpecific) != pkgCache::Dep::ArchSpecific && + strcmp(ParentPkg().Arch(), TargetPkg().Arch()) != 0) + return true; + } + return false; } /*}}}*/ // ostream operator to handle string representation of a dependecy /*{{{*/ @@ -1045,17 +1052,5 @@ pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const } /*}}}*/ -// PrvIterator::IsMultiArchImplicit - added by the cache generation /*{{{*/ -// --------------------------------------------------------------------- -/* MultiArch can be translated to SingleArch for an resolver and we did so, - by adding provides to help the resolver understand the problem, but - sometimes it is needed to identify these to ignore them… */ -bool pkgCache::PrvIterator::IsMultiArchImplicit() const -{ - pkgCache::PkgIterator const Owner = OwnerPkg(); - pkgCache::PkgIterator const Parent = ParentPkg(); - if (strcmp(Owner.Arch(), Parent.Arch()) != 0 || Owner.Group()->Name == Parent.Group()->Name) - return true; - return false; -} - /*}}}*/ + +pkgCache::~pkgCache() {}